The complex multilingualism (German and English professionally manually translated) is being continued – but solved differently in terms of layout. With that I most likely still operate the only multilingual IT-Blog worldwide. I hope you like the new design.

If you are working with Polygons & Multpolygons, you should know how to check and correct an instance of geometry data for validity with .STValid() and .MakeValid() ad Jeffrey Verheul is showing is his post here: